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Code Issues Releases Wiki Activity

fishlim: Improve string handling

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This commit is contained in:
TingPing 2014-12-12 04:04:39 -05:00
parent 46061f4f3c
commit c54a0c6db9
2 changed files with 16 additions and 44 deletions
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12
plugins/fishlim/irc.c
View File

@ -22,8 +22,7 @@
*/ */
#include <stdlib.h> #include <glib.h>
#include <string.h>
#include "irc.h" #include "irc.h"
/** /**
@ -65,7 +64,6 @@ bool irc_parse_message(const char *words[],
*/ */
char *irc_prefix_get_nick(const char *prefix) { char *irc_prefix_get_nick(const char *prefix) {
const char *end; const char *end;
char *nick;
size_t length; size_t length;
if (!prefix) return NULL; if (!prefix) return NULL;
@ -76,13 +74,7 @@ char *irc_prefix_get_nick(const char *prefix) {
// Allocate string // Allocate string
length = end - prefix; length = end - prefix;
nick = malloc(length+1); return g_strndup (prefix, length);
if (!nick) return NULL;
// Copy to string
memcpy(nick, prefix, length);
nick[length] = '\0';
return nick;
} }

44
plugins/fishlim/plugin_hexchat.c
View File

@ -55,24 +55,6 @@ gchar *get_config_filename() {
return g_build_filename(hexchat_get_info(ph, "configdir"), "addon_fishlim.conf", NULL); return g_build_filename(hexchat_get_info(ph, "configdir"), "addon_fishlim.conf", NULL);
} }
/**
* Appends data to a string. Returns true if there was sufficient memory.
* Frees *s and returns false if an error occurs.
*/
static bool append(char **s, size_t *length, const char *data) {
size_t datalen = strlen(data);
char *extended = realloc(*s, *length + datalen + 1);
if (!extended) {
free(*s);
return false;
}
memcpy(extended + *length, data, datalen + 1);
*s = extended;
*length += datalen;
return true;
}
/*static int handle_debug(char *word[], char *word_eol[], void *userdata) { /*static int handle_debug(char *word[], char *word_eol[], void *userdata) {
hexchat_printf(ph, "debug incoming: "); hexchat_printf(ph, "debug incoming: ");
for (size_t i = 1; word[i] != NULL && word[i][0] != '\0'; i++) { for (size_t i = 1; word[i] != NULL && word[i][0] != '\0'; i++) {
@ -114,12 +96,11 @@ static int handle_incoming(char *word[], char *word_eol[], void *userdata) {
const char *peice; const char *peice;
char *sender_nick; char *sender_nick;
char *decrypted; char *decrypted;
char *message;
size_t w; size_t w;
size_t ew; size_t ew;
size_t uw; size_t uw;
size_t length;
char prefix_char = 0; char prefix_char = 0;
GString *message;
if (!irc_parse_message((const char **)word, &prefix, &command, &w)) if (!irc_parse_message((const char **)word, &prefix, &command, &w))
return HEXCHAT_EAT_NONE; return HEXCHAT_EAT_NONE;
@ -149,12 +130,12 @@ static int handle_incoming(char *word[], char *word_eol[], void *userdata) {
if (!decrypted) goto decrypt_error; if (!decrypted) goto decrypt_error;
// Build unecrypted message // Build unecrypted message
message = NULL; message = g_string_sized_new (100); /* TODO: more accurate estimation of size */
length = 0; g_string_append (message, "RECV");
if (!append(&message, &length, "RECV")) goto decrypt_error;
for (uw = 1; uw < HEXCHAT_MAX_WORDS; uw++) { for (uw = 1; uw < HEXCHAT_MAX_WORDS; uw++) {
if (word[uw][0] != '\0' && !append(&message, &length, " ")) goto decrypt_error; if (word[uw][0] != '\0')
g_string_append_c (message, ' ');
if (uw == ew) { if (uw == ew) {
// Add the encrypted data // Add the encrypted data
@ -163,12 +144,11 @@ static int handle_incoming(char *word[], char *word_eol[], void *userdata) {
if (ew == w+1) { if (ew == w+1) {
// Prefix with colon, which gets stripped out otherwise // Prefix with colon, which gets stripped out otherwise
if (!append(&message, &length, ":")) goto decrypt_error; g_string_append_c (message, ':');
} }
if (prefix_char) { if (prefix_char) {
char prefix_str[2] = { prefix_char, '\0' }; g_string_append_c (message, prefix_char);
if (!append(&message, &length, prefix_str)) goto decrypt_error;
} }
} else { } else {
@ -176,16 +156,16 @@ static int handle_incoming(char *word[], char *word_eol[], void *userdata) {
peice = word[uw]; peice = word[uw];
} }
if (!append(&message, &length, peice)) goto decrypt_error; g_string_append (message, peice);
} }
free(decrypted); free(decrypted);
// Simulate unencrypted message // Simulate unencrypted message
//hexchat_printf(ph, "simulating: %s\n", message); //hexchat_printf(ph, "simulating: %s\n", message->str);
hexchat_command(ph, message); hexchat_command(ph, message->str);
free(message); g_string_free (message, TRUE);
free(sender_nick); g_free(sender_nick);
return HEXCHAT_EAT_HEXCHAT; return HEXCHAT_EAT_HEXCHAT;
decrypt_error: decrypt_error: