130 lines
2.2 KiB
C
130 lines
2.2 KiB
C
#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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/* azundris */
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#include <sys/types.h>
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#include <stdlib.h> /* malloc(), free() */
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#include <stdio.h>
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#include <string.h> /* str...() */
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#include <stdarg.h> /* varargs in sprintf/appendf */
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#include "Ecore.h"
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#include "ecore_private.h"
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#include "Ecore_Config.h"
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#include "ecore_config_util.h"
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#include "ecore_config_private.h"
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#define CHUNKLEN 4096
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/*****************************************************************************/
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/* STRINGS */
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/***********/
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estring *
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estring_new(int size)
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{
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estring *e = malloc(sizeof(estring));
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if (e)
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{
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memset(e, 0, sizeof(estring));
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if ((size > 0) && (e->str = malloc(size)))
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e->alloc = size;
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}
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return e;
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}
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char *
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estring_disown(estring * e)
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{
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if (e)
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{
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char *r = e->str;
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free(e);
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return r;
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}
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return NULL;
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}
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int
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estring_appendf(estring * e, const char *fmt, ...)
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{
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int need;
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va_list ap;
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char *p;
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if (!e)
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return ECORE_CONFIG_ERR_FAIL;
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if (!e->str)
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{
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e->used = e->alloc = 0;
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if (!(e->str = (char *)malloc(e->alloc = CHUNKLEN)))
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return ECORE_CONFIG_ERR_OOM;
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}
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va_start(ap, fmt);
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need = vsnprintf(NULL, 0, fmt, ap);
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va_end(ap);
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if (need >= (e->alloc - e->used))
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{
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e->alloc = e->used + need + (CHUNKLEN - (need % CHUNKLEN));
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if (!(p = (char *)realloc(e->str, e->alloc)))
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{
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free(e->str);
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e->alloc = e->used = 0;
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return ECORE_CONFIG_ERR_OOM;
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}
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e->str = p;
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}
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va_start(ap, fmt);
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need = vsnprintf(e->str + e->used, e->alloc - e->used, fmt, ap);
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va_end(ap);
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return e->used += need;
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}
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int
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esprintf(char **result, const char *fmt, ...)
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{
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va_list ap;
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size_t need;
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char *n;
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if (!result)
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return ECORE_CONFIG_ERR_FAIL;
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va_start(ap, fmt);
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need = vsnprintf(NULL, 0, fmt, ap) + 1;
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va_end(ap);
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n = malloc(need + 1);
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if (n)
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{
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va_start(ap, fmt);
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need = vsnprintf(n, need, fmt, ap);
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va_end(ap);
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n[need] = 0;
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if(*result)
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free(result);
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*result = n;
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return need;
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}
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return ECORE_CONFIG_ERR_OOM;
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}
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/*****************************************************************************/
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