project_files/frontlib/util/util.c
changeset 10017 de822cd3df3a
parent 7316 f7b49b2c5d84
--- a/project_files/frontlib/util/util.c	Tue Jan 21 22:38:13 2014 +0100
+++ b/project_files/frontlib/util/util.c	Tue Jan 21 22:43:06 2014 +0100
@@ -1,212 +1,212 @@
-/*
- * Hedgewars, a free turn based strategy game
- * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
- */
-
-#include "util.h"
-#include "logging.h"
-
-#include <stddef.h>
-#include <stdarg.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <limits.h>
-
-char *flib_asprintf(const char *fmt, ...) {
-	va_list argp;
-	va_start(argp, fmt);
-	char *result = flib_vasprintf(fmt, argp);
-	va_end(argp);
-	return result;
-}
-
-char *flib_vasprintf(const char *fmt, va_list args) {
-	char *result = NULL;
-	if(!log_badargs_if(fmt==NULL)) {
-		int requiredSize = vsnprintf(NULL, 0, fmt, args)+1;					// Figure out how much memory we need,
-		if(!log_e_if(requiredSize<0, "Error formatting string with template \"%s\"", fmt)) {
-			char *tmpbuf = flib_malloc(requiredSize);						// allocate it
-			if(tmpbuf && vsnprintf(tmpbuf, requiredSize, fmt, args)>=0) {	// and then do the actual formatting.
-				result = tmpbuf;
-				tmpbuf = NULL;
-			}
-			free(tmpbuf);
-		}
-	}
-	return result;
-}
-
-char *flib_join(char **parts, int partCount, const char *delimiter) {
-	char *result = NULL;
-	if(!log_badargs_if2(parts==NULL, delimiter==NULL)) {
-		size_t totalSize = 1;
-		size_t delimLen = strlen(delimiter);
-		for(int i=0; i<partCount; i++) {
-			totalSize += strlen(parts[i]) + delimLen;
-		}
-		result = flib_malloc(totalSize);
-
-		if(result) {
-			size_t outpos = 0;
-			for(int i=0; i<partCount; i++) {
-				if(i>0) {
-					strcpy(result+outpos, delimiter);
-					outpos += delimLen;
-				}
-				strcpy(result+outpos, parts[i]);
-				outpos += strlen(parts[i]);
-			}
-		}
-	}
-	return result;
-}
-
-char *flib_strdupnull(const char *str) {
-	return str==NULL ? NULL : flib_asprintf("%s", str);
-}
-
-void *flib_bufdupnull(const void *buf, size_t size) {
-	void *result = NULL;
-	if(!log_badargs_if(buf==NULL && size>0)) {
-		result = flib_malloc(size);
-		if(result) {
-			memcpy(result, buf, size);
-		}
-	}
-	return result;
-}
-
-void *flib_malloc(size_t size) {
-	void *result = malloc(size);
-	if(!result && size>0) {
-		flib_log_e("Out of memory trying to malloc %zu bytes.", size);
-	}
-	return result;
-}
-
-void *flib_calloc(size_t count, size_t elementsize) {
-	void *result = calloc(count, elementsize);
-	if(!result && count>0 && elementsize>0) {
-		flib_log_e("Out of memory trying to calloc %zu objects of %zu bytes each.", count, elementsize);
-	}
-	return result;
-}
-
-void *flib_realloc(void *ptr, size_t size) {
-	void *result = realloc(ptr, size);
-	if(!result && size>0) {
-		flib_log_e("Out of memory trying to realloc %zu bytes.", size);
-	}
-	return result;
-}
-
-static bool isAsciiAlnum(char c) {
-	return (c>='0' && c<='9') || (c>='a' && c <='z') || (c>='A' && c <='Z');
-}
-
-char *flib_urlencode(const char *inbuf) {
-	return flib_urlencode_pred(inbuf, isAsciiAlnum);
-}
-
-static size_t countCharsToEscape(const char *inbuf, bool (*needsEscaping)(char c)) {
-	size_t result = 0;
-	for(const char *c=inbuf; *c; c++) {
-		if(needsEscaping(*c)) {
-			result++;
-		}
-	}
-	return result;
-}
-
-char *flib_urlencode_pred(const char *inbuf, bool (*needsEscaping)(char c)) {
-	char *result = NULL;
-	if(inbuf && !log_badargs_if(needsEscaping == NULL)) {
-		size_t insize = strlen(inbuf);
-		if(!log_e_if(insize > SIZE_MAX/4, "String too long: %zu bytes.", insize)) {
-			size_t escapeCount = countCharsToEscape(inbuf, needsEscaping);
-			result = flib_malloc(insize + escapeCount*2 + 1);
-		}
-		if(result) {
-			char *out = result;
-			for(const char *in = inbuf; *in; in++) {
-				if(!needsEscaping(*in)) {
-					*out = *in;
-					out++;
-				} else {
-					snprintf(out, 4, "%%%02x", (unsigned)(*(uint8_t*)in));
-					out += 3;
-				}
-			}
-			*out = 0;
-		}
-	}
-	return result;
-}
-
-char *flib_urldecode(const char *inbuf) {
-	if(!inbuf) {
-		return NULL;
-	}
-	char *outbuf = flib_malloc(strlen(inbuf)+1);
-	if(!outbuf) {
-		return NULL;
-	}
-
-    size_t inpos = 0, outpos = 0;
-    while(inbuf[inpos]) {
-        if(inbuf[inpos] == '%' && isxdigit(inbuf[inpos+1]) && isxdigit(inbuf[inpos+2])) {
-            char temp[3] = {inbuf[inpos+1],inbuf[inpos+2],0};
-            outbuf[outpos++] = strtol(temp, NULL, 16);
-            inpos += 3;
-        } else {
-        	outbuf[outpos++] = inbuf[inpos++];
-        }
-    }
-    outbuf[outpos] = 0;
-    char *shrunk = realloc(outbuf, outpos+1);
-    return shrunk ? shrunk : outbuf;
-}
-
-bool flib_contains_dir_separator(const char *str) {
-	if(!log_badargs_if(!str)) {
-		for(;*str;str++) {
-			if(*str=='\\' || *str=='/') {
-				return true;
-			}
-		}
-	}
-	return false;
-}
-
-bool flib_strempty(const char *str) {
-	return !str || !*str;
-}
-
-int flib_gets(char *str, size_t strlen) {
-	if(fgets(str, strlen, stdin)) {
-		for(char *s=str; *s; s++) {
-			if(*s=='\r' || *s=='\n') {
-				*s = 0;
-				break;
-			}
-		}
-		return 0;
-	}
-	return -1;
-}
+/*
+ * Hedgewars, a free turn based strategy game
+ * Copyright (C) 2012 Simeon Maxein <smaxein@googlemail.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ */
+
+#include "util.h"
+#include "logging.h"
+
+#include <stddef.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <limits.h>
+
+char *flib_asprintf(const char *fmt, ...) {
+    va_list argp;
+    va_start(argp, fmt);
+    char *result = flib_vasprintf(fmt, argp);
+    va_end(argp);
+    return result;
+}
+
+char *flib_vasprintf(const char *fmt, va_list args) {
+    char *result = NULL;
+    if(!log_badargs_if(fmt==NULL)) {
+        int requiredSize = vsnprintf(NULL, 0, fmt, args)+1;                 // Figure out how much memory we need,
+        if(!log_e_if(requiredSize<0, "Error formatting string with template \"%s\"", fmt)) {
+            char *tmpbuf = flib_malloc(requiredSize);                       // allocate it
+            if(tmpbuf && vsnprintf(tmpbuf, requiredSize, fmt, args)>=0) {   // and then do the actual formatting.
+                result = tmpbuf;
+                tmpbuf = NULL;
+            }
+            free(tmpbuf);
+        }
+    }
+    return result;
+}
+
+char *flib_join(char **parts, int partCount, const char *delimiter) {
+    char *result = NULL;
+    if(!log_badargs_if2(parts==NULL, delimiter==NULL)) {
+        size_t totalSize = 1;
+        size_t delimLen = strlen(delimiter);
+        for(int i=0; i<partCount; i++) {
+            totalSize += strlen(parts[i]) + delimLen;
+        }
+        result = flib_malloc(totalSize);
+
+        if(result) {
+            size_t outpos = 0;
+            for(int i=0; i<partCount; i++) {
+                if(i>0) {
+                    strcpy(result+outpos, delimiter);
+                    outpos += delimLen;
+                }
+                strcpy(result+outpos, parts[i]);
+                outpos += strlen(parts[i]);
+            }
+        }
+    }
+    return result;
+}
+
+char *flib_strdupnull(const char *str) {
+    return str==NULL ? NULL : flib_asprintf("%s", str);
+}
+
+void *flib_bufdupnull(const void *buf, size_t size) {
+    void *result = NULL;
+    if(!log_badargs_if(buf==NULL && size>0)) {
+        result = flib_malloc(size);
+        if(result) {
+            memcpy(result, buf, size);
+        }
+    }
+    return result;
+}
+
+void *flib_malloc(size_t size) {
+    void *result = malloc(size);
+    if(!result && size>0) {
+        flib_log_e("Out of memory trying to malloc %zu bytes.", size);
+    }
+    return result;
+}
+
+void *flib_calloc(size_t count, size_t elementsize) {
+    void *result = calloc(count, elementsize);
+    if(!result && count>0 && elementsize>0) {
+        flib_log_e("Out of memory trying to calloc %zu objects of %zu bytes each.", count, elementsize);
+    }
+    return result;
+}
+
+void *flib_realloc(void *ptr, size_t size) {
+    void *result = realloc(ptr, size);
+    if(!result && size>0) {
+        flib_log_e("Out of memory trying to realloc %zu bytes.", size);
+    }
+    return result;
+}
+
+static bool isAsciiAlnum(char c) {
+    return (c>='0' && c<='9') || (c>='a' && c <='z') || (c>='A' && c <='Z');
+}
+
+char *flib_urlencode(const char *inbuf) {
+    return flib_urlencode_pred(inbuf, isAsciiAlnum);
+}
+
+static size_t countCharsToEscape(const char *inbuf, bool (*needsEscaping)(char c)) {
+    size_t result = 0;
+    for(const char *c=inbuf; *c; c++) {
+        if(needsEscaping(*c)) {
+            result++;
+        }
+    }
+    return result;
+}
+
+char *flib_urlencode_pred(const char *inbuf, bool (*needsEscaping)(char c)) {
+    char *result = NULL;
+    if(inbuf && !log_badargs_if(needsEscaping == NULL)) {
+        size_t insize = strlen(inbuf);
+        if(!log_e_if(insize > SIZE_MAX/4, "String too long: %zu bytes.", insize)) {
+            size_t escapeCount = countCharsToEscape(inbuf, needsEscaping);
+            result = flib_malloc(insize + escapeCount*2 + 1);
+        }
+        if(result) {
+            char *out = result;
+            for(const char *in = inbuf; *in; in++) {
+                if(!needsEscaping(*in)) {
+                    *out = *in;
+                    out++;
+                } else {
+                    snprintf(out, 4, "%%%02x", (unsigned)(*(uint8_t*)in));
+                    out += 3;
+                }
+            }
+            *out = 0;
+        }
+    }
+    return result;
+}
+
+char *flib_urldecode(const char *inbuf) {
+    if(!inbuf) {
+        return NULL;
+    }
+    char *outbuf = flib_malloc(strlen(inbuf)+1);
+    if(!outbuf) {
+        return NULL;
+    }
+
+    size_t inpos = 0, outpos = 0;
+    while(inbuf[inpos]) {
+        if(inbuf[inpos] == '%' && isxdigit(inbuf[inpos+1]) && isxdigit(inbuf[inpos+2])) {
+            char temp[3] = {inbuf[inpos+1],inbuf[inpos+2],0};
+            outbuf[outpos++] = strtol(temp, NULL, 16);
+            inpos += 3;
+        } else {
+            outbuf[outpos++] = inbuf[inpos++];
+        }
+    }
+    outbuf[outpos] = 0;
+    char *shrunk = realloc(outbuf, outpos+1);
+    return shrunk ? shrunk : outbuf;
+}
+
+bool flib_contains_dir_separator(const char *str) {
+    if(!log_badargs_if(!str)) {
+        for(;*str;str++) {
+            if(*str=='\\' || *str=='/') {
+                return true;
+            }
+        }
+    }
+    return false;
+}
+
+bool flib_strempty(const char *str) {
+    return !str || !*str;
+}
+
+int flib_gets(char *str, size_t strlen) {
+    if(fgets(str, strlen, stdin)) {
+        for(char *s=str; *s; s++) {
+            if(*s=='\r' || *s=='\n') {
+                *s = 0;
+                break;
+            }
+        }
+        return 0;
+    }
+    return -1;
+}