util.c

LINUX下的收发E-MAIL的程序

#include "util.h"
#define	G_DIR_SEPARATOR	'/'


void *g_malloc0(unsigned long size)
{
    void *p;

    if (size == 0)
	return NULL;

    p = (void *) calloc(size, 1);
    if (!p) {
	printf("could not allocate %ld bytes", size);
	return NULL;
    }
    return p;
}


char *g_basename(const char *file_name)
{
    register char *base;

    if (file_name == NULL)
	return NULL;
    base = strrchr(file_name, G_DIR_SEPARATOR);
    if (base)
	return base + 1;

#ifdef NATIVE_WIN32
    if (isalpha(file_name[0]) && file_name[1] == ':')
	return (char *) file_name + 2;
#endif				// NATIVE_WIN32

    return (char *) file_name;
}


int search_filename_from_buffer(char *filename, char *buffer)
{
    int i, j;
    if (strstr(buffer, "filename=") != NULL) {
	for (i = 0; buffer[i] != '\"'; i++) {
	}
	i++;
	for (j = 0; buffer[i] != '\"'; i++, j++)
	    filename[j] = buffer[i];
	filename[j] = '\0';
    } else
	return -1;
    return 0;
}