Attachment 5070 Details for Bug 26177 – test case

test case

test_ddcci.c (text/x-csrc), 4.17 KB, created by viy on 2011-08-28 00:26:42 MSK

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Creator: viy

Created: 2011-08-28 00:26:42 MSK

Size: 4.17 KB

patch

obsolete

>#include <stdio.h>
>#include <string.h>
>#include <unistd.h>
>#include <stdlib.h>
>
># define _(X) X
>
>struct profile;
>
>enum monitor_type {
>unk = 0,
>lcd = 1,
>crt = 2
>};
>
>/* Structure to store CAPS vcp entry (control and related values) */
>struct vcp_entry {
>	int values_len; /* -1 if values are not specified */
>	unsigned short* values;
>};
>
>/* Structure to store CAPS */
>struct caps {
>	struct vcp_entry* vcp[256]; /* vcp entries */
>	enum monitor_type type;
>	char* raw_caps; /* raw text caps */
>};
>
>
>/* See documentation Appendix D.
> * Returns :
> * -1 if an error occured 
> *  number of controls added
> *
> * add: if true: add caps_str to caps, otherwise remove caps_str from the caps.
> */
>int ddcci_parse_caps(const char* caps_str, struct caps* caps, int add)
>{
>//	printf("Parsing CAPS (%s).\n", caps_str);
>	int pos = 0; /* position in caps_str */
>	
>	int level = 0; /* CAPS parenthesis level */
>	int svcp = 0; /* Current CAPS section is vcp */
>	int stype = 0; /* Current CAPS section is type */
>	
>	char buf[8];
>	char* endptr;
>	int ind = -1;
>	long val = -1;
>	int i;
>	int removeprevious = 0;
>	
>	int num = 0;
>	
>	for (pos = 0; caps_str[pos] != 0; pos++)
>	{
>		if (caps_str[pos] == '(') {
>			level++;
>		}
>		else if (caps_str[pos] == ')')
>		{
>			level--;
>			if (level == 1) {
>				svcp = 0;
>				stype = 0;
>			}
>		}
>		else if (caps_str[pos] != ' ')
>		{
>			if (level == 1) {
>				if ((strncmp(caps_str+pos, "vcp(", 4) == 0) || (strncmp(caps_str+pos, "vcp ", 4) == 0)) {
>					svcp = 1;
>					pos += 2;
>				}
>				else if (strncmp(caps_str+pos, "type", 4) == 0) {
>					stype = 1;
>					pos += 3;
>				}
>			}
>			else if ((stype == 1) && (level == 2)) {
>				if (strncmp(caps_str+pos, "lcd", 3) == 0) {
>					caps->type = lcd;
>					pos += 2;
>				}
>				else if (strncmp(caps_str+pos, "crt", 3) == 0) {
>					caps->type = crt;
>					pos += 2;
>				}
>			}
>			else if ((svcp == 1) && (level == 2)) {
>				if (!add && ((removeprevious == 1) || (caps->vcp[ind] && caps->vcp[ind]->values_len == 0))) {
>					if(caps->vcp[ind]) {
>						if (caps->vcp[ind]->values) {
>							free(caps->vcp[ind]->values);
>						}
>						free(caps->vcp[ind]);
>						caps->vcp[ind] = NULL;
>					}
>				}
>				buf[0] = caps_str[pos];
>				buf[1] = caps_str[++pos];
>				buf[2] = 0;
>				ind = strtol(buf, &endptr, 16);
>				if (*endptr != 0) {
>					printf(_("Can't convert value to int, invalid CAPS (buf=%s, pos=%d).\n"), buf, pos);
>					return -1;
>				}
>				if (add) {
>					caps->vcp[ind] = malloc(sizeof(struct vcp_entry));
>					caps->vcp[ind]->values_len = -1;
>					caps->vcp[ind]->values = NULL;
>				}
>				else {
>					removeprevious = 1;
>				}
>				num++;
>			}
>			else if ((svcp == 1) && (level == 3)) {
>				i = 0;
>				while ((caps_str[pos+i] != ' ') && (caps_str[pos+i] != ')')) {
>					buf[i] = caps_str[pos+i];
>					i++;
>				}
>				buf[i] = 0;
>				val = strtol(buf, &endptr, 16);
>				if (*endptr != 0) {
>					printf(_("Can't convert value to int, invalid CAPS (buf=%s, pos=%d).\n"), buf, pos);
>					return -1;
>				}
>				if (add) {
>					if (caps->vcp[ind]->values_len == -1) {
>						caps->vcp[ind]->values_len = 1;
>					}
>					else {
>						caps->vcp[ind]->values_len++;
>					}
>					caps->vcp[ind]->values = realloc(caps->vcp[ind]->values, caps->vcp[ind]->values_len*sizeof(unsigned short));
>					caps->vcp[ind]->values[caps->vcp[ind]->values_len-1] = val;
>				}
>				else {
>					if (caps->vcp[ind]->values_len > 0) {
>						removeprevious = 0;
>						int j = 0;
>						for (i = 0; i < caps->vcp[ind]->values_len; i++) {
>							if (caps->vcp[ind]->values[i] != val) {
>								caps->vcp[ind]->values[j++] = caps->vcp[ind]->values[i];
>							}
>						}
>						caps->vcp[ind]->values_len--;
>					}
>				}
>			}
>		}
>	}
>	
>	if (!add && ((removeprevious == 1) || (caps->vcp[ind] && caps->vcp[ind]->values_len == 0))) {
>		if(caps->vcp[ind]) {
>			if (caps->vcp[ind]->values) {
>				free(caps->vcp[ind]->values);
>			}
>			free(caps->vcp[ind]);
>			caps->vcp[ind] = NULL;
>		}
>	}
>	
>	return num;
>}
>
>int main(int argc, char **argv)
>{
>  struct caps caps;
>  char* caps_str="(prot(monitor)type(lcd)model(L196WTQ)cmds(0102030CE3F3)vcp(0203040506080B0C0E101214(01050607080B)16181A1E20303E5260(0103)6C6E7087ACAEB6C0C6C8C9D6(0104)DFF1F2(000102)F3(00010203)FC(00010203)FD(0001)FE(000102)FF)mswhql(1)mccs_ver(2.1))";
>    return ddcci_parse_caps(caps_str, &caps, 1);
>}

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Attachments on bug 26177: 5069 | 5070 | 5071