Mercurial > trustbridge
view common/strhelp.c @ 76:63b79d135631
Remove QTextStream usage. The QTextStream usage in this way
caused a segmentation fault on Windows
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Wed, 19 Mar 2014 16:33:25 +0000 |
parents | 355800cdefcc |
children | 80ab2168760f |
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#include <stdio.h> #include <stdlib.h> #include <string.h> #include <assert.h> static void out_of_core(void) { fputs("\nfatal: out of memory\n", stderr); exit(2); } void * xmalloc( size_t n ) { void *p = malloc( n ); if( !p ) out_of_core(); return p; } void * xrealloc( void *a, size_t n ) { void *p = realloc( a, n ); if( !p ) out_of_core(); return p; } char * xstrndup( const char *string, const size_t len ) { char *p = xmalloc( len + 1 ); memcpy( p, string, len ); p[len] = '\0'; return p; } unsigned int strv_length (char **str_array) { unsigned int i = 0; if (!str_array) return 0; while (str_array[i]) ++i; return i; } void array_append_str(char ***pArray, const char *string, const size_t len) { unsigned int old_len = 0; if (!*pArray) { *pArray = xmalloc(2 * sizeof(char*)); (*pArray)[0] = xstrndup(string, len); (*pArray)[1] = NULL; return; } old_len = strv_length(*pArray); *pArray = xrealloc(*pArray, sizeof(char**) * (old_len + 2)); (*pArray)[old_len] = xstrndup(string, len); (*pArray)[old_len + 1] = NULL; } void str_append_str(char **pDst, const char *appendage, const size_t len) { if (!appendage) return; if (!*pDst) { *pDst = xstrndup(appendage, len); } else { size_t old_len = strlen(*pDst); size_t new_len = old_len + len + 1; *pDst = (char *)xrealloc(*pDst, sizeof(char) * (new_len + 1)); strncpy(*pDst + old_len, appendage, len); (*pDst)[new_len] = '\0'; } } void strfreev (char **str_array) { if (str_array) { int i; for (i = 0; str_array[i] != NULL; i++) free (str_array[i]); free (str_array); } }